Distance between cities › Canada › Alberta › Devon, AB › Distance from Devon to Saint Marys Book Hotels

Distance from Devon, AB to Saint Marys, ON

Distance

3,171 km

Time

1 day 14 hours

Gas Cost

$239 - $575

There are 2,628.57 km (1,633.32 miles) from Devon to Saint Marys in southeast direction and 3,172.02 km (1,971 miles) by car and ferry, following the I-94 route.

Devon and Saint Marys are 1 day 14 hours far apart, if you drive non-stop for 1 day 11 hours and take a ferry for 2 hours 30 mins .

This is the fastest route from Devon, AB to Saint Marys, ON.

Please note the time difference between Devon, AB and Saint Marys, ON is 2 hours. The current time in Devon is 8:10 am and the current time in Saint Marys is 10:10 am.

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Lowest Price Rental Cars in Devon, AB

Planning on renting a car to go from Devon, AB to Saint Marys, ON? Here there are some offers to rent a car in Devon, AB

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Devon »

Gas Consumption and Emissions

A car with a fuel efficiency of 8.9 l/100 km will need 282.25 liters of gas to cover the route between Devon, AB and Saint Marys, ON.

The estimated cost of gas to go from Devon to Saint Marys is $426.19.

During the route, an average car will release 6,751.36 kilograms of CO₂ to the atmosphere. The carbon footprint would be 2.13 kilograms of CO₂ per kilometer.

Average Canada gas price used for calculation is $1.51 per liter of regular gas. Price last updated on March 4, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Devon, AB and Saint Marys, ON

If you want to meet halfway between Devon, AB and Saint Marys, ON or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.91345 and -98.058395, or 46º 54' 48.42" N, 98º 3' 30.222" W. This location is 985.29 miles away from Devon, AB and Saint Marys, ON and it would take approximately 19 hours 1 min to reach the halfway point from both locations.

Major Cities Along the Route

Some major cities along the route include Fargo, ND, Saint Paul, MN and Milwaukee, WI.

Distance conversions

Checkout the distance in miles, kilometers and nautical miles between Devon, AB and Saint Marys, ON in this table:

Distance type	Miles	Kilometers	Nautical miles
Straight line distance	1,633.32 mi	2,628.57 km	1,419.31 nautical mi
Driving distance	1,971 mi	3,171.32 km	1,712.38 nautical mi

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